The international rollout of Avengers: Age of Ultron has begun, but fans in America will have to wait until May 1 before they are introduced to one of the Avengers’ greatest villains.

Among Marvel villains, Ultron is easily among the most iconic adversaries to ever appear in the Avengers comic book series. Fueling his war with the Avengers is his ongoing hatred of his “father,” and his bizarre family ties to the team that includes two “brides” and even a son!

Avengers director Joss Whedon choose Ultron as the main villain for the blockbuster film’s sequel, which means that Ultron’s profile among casual Marvel fans is about to skyrocket. Ahead of Avengers: Age of Ultron, SuperHeroHype’s Origins and Evolutions has a look back at Ultron’s history in comic books and on TV. Everything you need to know about Ultron is right here!